Skip to main content
CVE-2026-121995VulnerabilityPublished

parse_tracepoint_definition · Gdb: gdb: stack buffer overflow

Affects MicrosoftSource GCVE Database

0
Compare
Authoritative record:CVE-2026-121995· High 7.5

Not known to be exploited · CVSS 7.5 High.

Data as of 11 Nov 2026, 09:48 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.17.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Enterprise Linux 10crashAffected–Fixed in–
Red Hat Enterprise Linux 10gdbAffected–Fixed in–
Red Hat Enterprise Linux 6gdbAffected–Fixed in–
Red Hat Enterprise Linux 7gdbAffected–Fixed in–
Red Hat Enterprise Linux 8crashAffected–Fixed in–
Red Hat Enterprise Linux 8gcc-toolset-14-gdbAffected–Fixed in–

Description

A stack buffer overflow vulnerability exists in GDB version 3.0 in the function parse_tracepoint_definition due to a stale rs->buf tail. This vulnerability is identified as CWE-121. No CVSS score or detailed impact information is provided.

References

Community reviews

Loading reviews…